Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.

River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.

Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.

Jackson Lamb is on high alert after a former spy is found dead. Min and Louisa are tempted by an offer from outside Slough House.

River and Sid join forces. A misfired gun has dire consequences.

Slough House is the unlikely venue for a secret romance, but events take a dark turn when a dangerous encounter becomes deadly.

Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.

The Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.

Taverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid. ref: https://seasondate.org/en/serials/2022-slow-horses

River Cartwright is ousted from MI5 and finds himself in a place worse than purgatory: Slough House, dumping ground for failed spies.

Gus, Elton and Astrid test the channel’s live stream in an old insane asylum which is being converted into flats. Wearing helmet cams, they explore while Helen and Richard watch…

Catherine’s decides to move forward with the coup on her birthday. Peter isn’t so easily overcome and holds Leo hostage as collateral. In exchange for a return to her status,…

Catherine and Peter are co-parenting their newborn son, Paul, with the help of Elizabeth and trying to avoid their feelings for each other. When Paul goes missing, Peter and Catherine…

Carey teams up with Shaun Emery to try and expose Correction, but Napier is one step ahead. Shaun’s future, and that of the nation’s system of justice, lie with one…

After key evidence is mysteriously redacted from her investigation, Carey is forced to find other ways of pursuing Shaun, who is searching for answers of his own.

The stakes intensify for Shaun when he comes face to face with inscrutable CIA agent Frank Napier, whilst Carey’s investigation appears to hit rock bottom.

As Tommy prepares to commit the most audacious crime of his career, an unexpected blow is struck, putting him under unbearable pressure. As he faces his worst fears he needs…